/* Library contains functions for interfacing with LinkSprite camera (TTL)
   as specified in the datasheet. */
#include <stdio.h>
#include <util/delay.h>
#include <avr/io.h>
#include <stdlib.h>
#include <string.h>
#include "bt_lib.h"

//Commands for the LinkSprite Serial JPEG Camera
const unsigned char GET_INFO[4] = {0x41, 0x54, 0x49, 0x0D};
const unsigned char SET_SERVER[11] = {0x41, 0x54, 0x2B,0x42,0x54,0x53,0x52,0x56,0x3D,0x31,0x0D};
/**
const unsigned char TEST_PIC[1066] = {
	0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01,
	0x01, 0x01, 0x00, 0x60, 0x00, 0x60, 0x00, 0x00, 0xFF, 0xDB, 0x00, 0x43,
	0x00, 0x02, 0x01, 0x01, 0x02, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02,
	0x02, 0x02, 0x02, 0x03, 0x05, 0x03, 0x03, 0x03, 0x03, 0x03, 0x06, 0x04,
	0x04, 0x03, 0x05, 0x07, 0x06, 0x07, 0x07, 0x07, 0x06, 0x07, 0x07, 0x08,
	0x09, 0x0B, 0x09, 0x08, 0x08, 0x0A, 0x08, 0x07, 0x07, 0x0A, 0x0D, 0x0A,
	0x0A, 0x0B, 0x0C, 0x0C, 0x0C, 0x0C, 0x07, 0x09, 0x0E, 0x0F, 0x0D, 0x0C,
	0x0E, 0x0B, 0x0C, 0x0C, 0x0C, 0xFF, 0xDB, 0x00, 0x43, 0x01, 0x02, 0x02,
	0x02, 0x03, 0x03, 0x03, 0x06, 0x03, 0x03, 0x06, 0x0C, 0x08, 0x07, 0x08,
	0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C,
	0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C,
	0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C,
	0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C,
	0x0C, 0x0C, 0xFF, 0xC0, 0x00, 0x11, 0x08, 0x00, 0x1A, 0x00, 0x1D, 0x03,
	0x01, 0x22, 0x00, 0x02, 0x11, 0x01, 0x03, 0x11, 0x01, 0xFF, 0xC4, 0x00,
	0x1F, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
	0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0xFF, 0xC4, 0x00, 0xB5, 0x10, 0x00,
	0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00,
	0x00, 0x01, 0x7D, 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21,
	0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81,
	0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24,
	0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25,
	0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A,
	0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56,
	0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A,
	0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86,
	0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
	0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3,
	0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6,
	0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,
	0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1,
	0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xC4, 0x00,
	0x1F, 0x01, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
	0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0xFF, 0xC4, 0x00, 0xB5, 0x11, 0x00,
	0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04, 0x07, 0x05, 0x04, 0x04, 0x00,
	0x01, 0x02, 0x77, 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31,
	0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08,
	0x14, 0x42, 0x91, 0xA1, 0xB1, 0xC1, 0x09, 0x23, 0x33, 0x52, 0xF0, 0x15,
	0x62, 0x72, 0xD1, 0x0A, 0x16, 0x24, 0x34, 0xE1, 0x25, 0xF1, 0x17, 0x18,
	0x19, 0x1A, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38, 0x39,
	0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55,
	0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
	0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84,
	0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
	0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA,
	0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4,
	0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
	0xD8, 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA,
	0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xDA, 0x00,
	0x0C, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, 0x00, 0x3F, 0x00, 0xFD,
	0xD4, 0xF8, 0x99, 0xE3, 0xC8, 0x7E, 0x1D, 0x78, 0x4E, 0xE3, 0x53, 0x68,
	0x7E, 0xD0, 0xF1, 0x7C, 0xB1, 0xC3, 0xBF, 0x67, 0x9A, 0xFE, 0x99, 0xAF,
	0x94, 0x3C, 0x79, 0xFB, 0x66, 0x7C, 0x4B, 0xD1, 0xEF, 0x7E, 0xD4, 0x83,
	0x45, 0xB2, 0xB6, 0xDF, 0x88, 0xE0, 0x4B, 0x43, 0x2C, 0x72, 0xFF, 0x00,
	0xDB, 0x4A, 0xF4, 0x7F, 0xF8, 0x28, 0x27, 0xED, 0x15, 0xE0, 0x9F, 0x82,
	0xBE, 0x18, 0xF0, 0xC6, 0x91, 0xE2, 0xEF, 0x11, 0x58, 0xF8, 0x7E, 0xEF,
	0xC4, 0xF7, 0xD2, 0x7F, 0x66, 0x7D, 0xBB, 0xF7, 0x71, 0x4C, 0x60, 0x8F,
	0x32, 0x7E, 0xF0, 0xFE, 0xED, 0x31, 0xE6, 0x47, 0xCC, 0x9C, 0x73, 0xF9,
	0x78, 0xDC, 0xDA, 0x95, 0xA6, 0xB3, 0xA3, 0x7E, 0xEF, 0xEC, 0xD7, 0xB6,
	0x77, 0x51, 0xF9, 0xB1, 0xF9, 0x7F, 0xBD, 0xB6, 0x97, 0xFE, 0x9A, 0x47,
	0x25, 0x67, 0x50, 0xFA, 0xBC, 0x83, 0x03, 0x87, 0xA9, 0x4F, 0xDA, 0x55,
	0x81, 0xD6, 0xFC, 0x31, 0xFF, 0x00, 0x82, 0x91, 0x6A, 0x76, 0x7A, 0xB2,
	0x5A, 0xF8, 0xE3, 0x48, 0xD3, 0x56, 0xD2, 0x53, 0xB0, 0x6A, 0x5A, 0x4C,
	0x92, 0x0F, 0x28, 0xE3, 0xFE, 0x5A, 0x41, 0x27, 0xFE, 0xD3, 0x90, 0xD7,
	0xD7, 0x56, 0x77, 0xF6, 0xD7, 0xB6, 0xB1, 0xDC, 0x47, 0x2C, 0x6F, 0x04,
	0xEA, 0x1E, 0x37, 0x07, 0x21, 0xD6, 0xBF, 0x33, 0x3C, 0x49, 0xA6, 0xD8,
	0xC3, 0x34, 0x9F, 0xE8, 0x36, 0xD1, 0x57, 0xE8, 0x6F, 0xC0, 0x48, 0xFE,
	0xCF, 0xF0, 0x3F, 0xC2, 0x0A, 0x73, 0xC6, 0x8F, 0x68, 0x3F, 0xF2, 0x0A,
	0x51, 0x4E, 0xA5, 0xCC, 0x78, 0x87, 0x2B, 0xC3, 0xD0, 0xE4, 0x9D, 0x2E,
	0xA7, 0xE5, 0x77, 0xFC, 0x1D, 0xC3, 0x04, 0xDF, 0xF0, 0xA5, 0xFE, 0x0A,
	0xC9, 0x13, 0xF0, 0x9A, 0xE6, 0xA0, 0x92, 0x7C, 0xF8, 0xFF, 0x00, 0x97,
	0x68, 0xEB, 0xE7, 0x3F, 0xF8, 0x20, 0x0F, 0x8A, 0xB5, 0x5D, 0x63, 0xC3,
	0x9F, 0x12, 0x34, 0x39, 0xF5, 0x8B, 0xEF, 0xEC, 0x3D, 0x2E, 0x4B, 0x3B,
	0x9B, 0x3B, 0x49, 0x24, 0xFD, 0xD5, 0xAC, 0x92, 0x47, 0xFB, 0xCA, 0xFB,
	0x63, 0xFE, 0x0E, 0x87, 0xD2, 0xAD, 0x6E, 0xBF, 0x62, 0x1F, 0x0F, 0x5D,
	0x4B, 0x6D, 0x6F, 0x25, 0xCD, 0xAF, 0x88, 0x40, 0x86, 0x57, 0x8C, 0x17,
	0x84, 0x18, 0x9F, 0x3B, 0x58, 0xF2, 0x33, 0xED, 0x5F, 0x16, 0x7F, 0xC1,
	0x01, 0x98, 0xAE, 0x97, 0xF1, 0x3D, 0x41, 0x21, 0x5A, 0x6B, 0x3C, 0x8E,
	0xC7, 0x10, 0x29, 0x15, 0xE9, 0x41, 0xA5, 0x4B, 0x94, 0xAC, 0x89, 0x39,
	0x45, 0x49, 0xBF, 0x84, 0xFA, 0xFF, 0x00, 0xE2, 0x16, 0x9B, 0x7D, 0x35,
	0xD4, 0x89, 0x69, 0xAC, 0xF9, 0x71, 0xCB, 0x1C, 0x9E, 0x67, 0xFA, 0x3D,
	0x7E, 0x8B, 0x7E, 0xCE, 0xF7, 0xD3, 0xEA, 0xFF, 0x00, 0x04, 0xBC, 0x27,
	0x73, 0x75, 0xE5, 0xFD, 0xA2, 0x7D, 0x1E, 0xD1, 0xDF, 0xCB, 0x8F, 0xCA,
	0x4C, 0x98, 0x87, 0x48, 0xFF, 0x00, 0x87, 0xE9, 0xFE, 0x15, 0xF9, 0xD1,
	0xE3, 0x0F, 0xF8, 0xFB, 0xB8, 0xAF, 0xD1, 0x5F, 0xD9, 0xC7, 0x8F, 0x80,
	0x3E, 0x0B, 0xC7, 0xFD, 0x01, 0x2C, 0xBF, 0xF4, 0x9E, 0x3A, 0xF3, 0x69,
	0x9D, 0xBC, 0x53, 0x51, 0xCE, 0x9D, 0x3B, 0x9F, 0xFF, 0xD9
};
**/


// UART file descriptor
// putchar_1 and getchar_1 are in uart.c; using channel 1 for stdio 
//FILE uart_str = FDEV_SETUP_STREAM(uart_putchar_0, uart_getchar_0, _FDEV_SETUP_RW);

/* Initialize camera. Return 1 if successful, 0 if failed. */
void bt_init(void){
	// channel 1 UART at 115200 baud, not using interrupt 
	// channel 0 UART at 9600 baud without interrupt to echo to computer
	uart_init_0(115200, 0);
//	uart_init_1(115200, 0);
}

/**
 //For testing only.. Sends the TEST_PIC through bluetooth, 32-byte at a time.//
void bt_sendPic(void){
	int i=0;
	int j=0;
	const unsigned char *ptr = TEST_PIC;
	for (i=0; i<1066; i++){
		if (i % 32 == 0){
			fprintf(stdout, "\n\r%d\n\r", j++);
			_delay_us(20);
		}
		uart_putchar_1(*ptr++);
	}
}
**/

/* Send camera command (cmd) that has (l1) bytes 
	and store response of (l2) bytes at (resp). */
void bt_sendCommand(const unsigned char *cmd, unsigned char *resp, int l1, int l2){
	int i;
/**
	const unsigned char *ptr_cmd = cmd;
	unsigned char *ptr_resp = resp;
	fprintf(stdout, "\n\r *******Commands*******\n\r");
	// display command on uart_1
	for (i=0; i<l1; i++)
		fprintf(stdout, "| %c ", *ptr_cmd++);
	fprintf(stdout,"\n\r*****Response*****\n\r");
**/
	// send command on Tx
	for (i=0; i<l1; i++)
		uart_putchar_0(*cmd++);
/**
//	fprintf(stdout, "*\n\r");
	// receive response on Rx
	for (i=0; i<l2; i++)
		*resp++=uart_getchar_0();
	// display response on uart_0
	for (i=0; i<l2; i++)
		fprintf(stdout, "| %c ", *ptr_resp++);
	fprintf(stdout, "\n\r\n\r");
**/
}

/* Read the size of the JPEG file. 2-byte response stored in argument.
   Return 1 if successful, 0 if failed. */
void bt_getInfo(void){
	bt_sendCommand(GET_INFO, BT_RESPONSE, 4, 19);
}

void bt_setSrv(void){
	bt_sendCommand(SET_SERVER, BT_RESPONSE, 11, 8);
}

void bt_sendMsg(void){
	uart_putchar_0('a');
	uart_putchar_0('l');
	uart_putchar_0('e');
	uart_putchar_0('r');
	uart_putchar_0('t');
}

void bt_sendPicture(char c){
	uart_putchar_0(c);
}


